Added jobs count section

README.md

@@ -284,6 +284,24 @@ The theme entries belowed control the Git information sections' appearance:
 * `git_stash_fg` and `git_stash_fg` define the background and foreground colors
   for the stash indicator.
 
+### Running jobs
+
+The `jobs` generator will output the amount of background jobs in the current
+shell. It is controlled by the following configuration variables:
+
+  * `jobs_always` controls whether the job count should be displayed even when
+    it is zero.
+
+The following theme entries control how the jobs section is displayed.
+
+  * `jobs_prefix` and `jobs_suffix` are the text of the prefix and suffix for
+    the job count.
+  * `jobs_bg` is the section's background color.
+  * `jobs_${element}_style` and `jobs_${element}_fg` control the style and
+    foreground color of the various parts of the section. `${element}` may be:
+    * `count` for the count itself,
+    * `prefix` or `suffix`.
+
 ### System load
 
 The `load` generator will output the system's load average for the past minute

example-gprompt.rc

@@ -27,6 +27,7 @@
 	] ,
 	# - Section generators for the input bar
 	layout_input => [
+		'jobs' ,
 		'load' ,
 		'prevcmd' ,
 	] ,

gprompt.pl

@@ -86,6 +86,10 @@ our %CONFIG = (
 	# Success/failure colors for 0=nothing, 1=symbol, 2=code, 3=both
 	pcmd_colors => 1 ,
 
+	# JOBS
+	# - Always display?
+	jobs_always => 0 ,
+
 	# LOAD AVERAGE
 	# - Minimal load average before the section is displayed
 	load_min => 0 ,
@@ -182,6 +186,21 @@ sub default_theme
 		# Previous command state - Other text foreground
 		'pcmd_text_fg' => -1 ,
 
+		# Job count - Prefix and suffix text
+		'jobs_prefix' => '&' ,
+		'jobs_suffix' => '',
+		# Job count - Background color
+		'jobs_bg' => -1 ,
+		# Job count - Style and foreground color for the job count
+		'jobs_count_style' => 'b' ,
+		'jobs_count_fg' => -1 ,
+		# Job count - Style and foreground color for the prefix
+		'jobs_prefix_style' => '' ,
+		'jobs_prefix_fg' => -1 ,
+		# Job count - Style and foreground color for the suffix
+		'jobs_suffix_style' => '' ,
+		'jobs_suffix_fg' => -1 ,
+
 		# Load average - Symbol or text
 		'load_title' => 'ld',
 		# Load average - Low load colors
@@ -730,8 +749,9 @@ _gprompt_set_return() {
 }
 gprompt_command() {
 	local cmd_status=\$?
+	local jobs=(\$(jobs -p))
 	eval "\$_GPROMPT_PREVIOUS_PCMD"
-	eval "\$( perl \Q$gpPath\E "rc:\$cmd_status" )"
+	eval "\$( perl \Q$gpPath\E "rc:\$cmd_status" "jobs:\${#jobs[@]}" )"
 	_gprompt_set_return "\$cmd_status"
 }
 shopt -s checkwinsize
@@ -978,6 +998,41 @@ sub render_load
 	};
 }
 
+# }}}
+# Jobs ----------------------------------------------------------------------{{{
+
+sub _render_jobs_part
+{
+	my ($text, $themeName) = @_;
+	my $style = themed "jobs_${themeName}_style";
+	return (
+		{
+			style => $style ? $style : 'none' ,
+			fg => themed "jobs_${themeName}_fg" ,
+		},
+		$text
+	);
+}
+
+sub render_jobs
+{
+	return () unless exists $INPUT{jobs};
+	my $jobs = $INPUT{jobs};
+	return () if $jobs == 0 && !$CONFIG{jobs_always};
+
+	my @output = ();
+	my $section = themed 'jobs_prefix';
+	@output = _render_jobs_part($section, 'prefix') if $section;
+	@output = (@output, _render_jobs_part($jobs, 'count'));
+	$section = themed 'jobs_suffix';
+	@output = (@output, _render_jobs_part($section, 'prefix')) if $section;
+
+	return {
+		bg => themed( 'jobs_bg' ) ,
+		content => [ @output ]
+	};
+}
+
 # }}}
 # Git repository information ------------------------------------------------{{{
 

themes/ascii_gyr.pm

@@ -79,6 +79,15 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => '&' ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => thref 'fg0' ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => thref 'fg0' ,
+
 	# Load average - Symbol or text
 	'load_title' => 'ld',
 	# Load average - Low load colors

themes/ascii_yb.pm

@@ -79,6 +79,15 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => '&' ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => thref 'fg0' ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => thref 'fg0' ,
+
 	# Load average - Symbol or text
 	'load_title' => 'ld',
 	# Load average - Low load colors

themes/blocks_gyr.pm

@@ -79,6 +79,15 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => "\x{2726}" ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => 35 ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => 35 ,
+
 	# Load average - Symbol or text
 	'load_title' => "\x{219f}",
 	# Load average - Low load colors

themes/blocks_yb.pm

@@ -79,6 +79,15 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => "\x{2726}" ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => 39 ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => 39 ,
+
 	# Load average - Symbol or text
 	'load_title' => "\x{219f}",
 	# Load average - Low load colors

themes/powerline_gyr.pm

@@ -8,7 +8,7 @@
 	# Default foreground color
 	'fg' => 15,
 	# Color gradient used in various parts
-	fg0 => 0 , bg0 => 2 ,
+	fg0 => 11 , bg0 => 22 ,
 	fg1 => 0 , bg1 => 10 ,
 	fg2 => 0 , bg2 => 11 ,
 	fg3 => 11, bg3 => 1 ,
@@ -78,6 +78,17 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => "\x{2726}" ,
+	# Job count - Background color
+	'jobs_bg' => thref 'bg0' ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => thref 'fg0' ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => thref 'fg0' ,
+
 	# Load average - Symbol or text
 	'load_title' => "\x{219f}",
 	# Load average - Low load colors

themes/powerline_yb.pm

@@ -78,6 +78,17 @@
 	# Previous command state - Other text foreground
 	'pcmd_text_fg' => SECTION_DEFAULT ,
 
+	# Job count - Prefix and suffix text
+	'jobs_prefix' => "\x{2726}" ,
+	# Job count - Background color
+	'jobs_bg' => thref 'bg0' ,
+	# Job count - Style and foreground color for the job count
+	'jobs_count_style' => '' ,
+	'jobs_count_fg' => thref 'fg0' ,
+	# Job count - Style and foreground color for the prefix
+	'jobs_prefix_style' => 'd' ,
+	'jobs_prefix_fg' => thref 'fg0' ,
+
 	# Load average - Symbol or text
 	'load_title' => "\x{219f}",
 	# Load average - Low load colors